MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65 °C to 200 °C. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With a selection of plating options such as electroless nickel and cadmium finishes, these connectors ensure reliable performance. Suitable for military and industrial applications, they meet stringent standards for durability and environmental protection. The use of M39029 rear release crimp contacts ensures secure connections, while the aluminum shells provide strength and conductivity. Offering EMI/RFI shielding, these connectors are essential for maintaining signal integrity in demanding settings.